FIELD: construction.
SUBSTANCE: invention relates to the field of construction, namely for the structure of free-standing foundations, erected on natural basis during construction of buildings and constructions for various purpose. Foundation under the column includes the column footing, slab part. In order to increase the carrying capacity and reduce the draft at the foot portion of foundation, protrusions are made at an angle of 120°, at that, the area of protrusions Aprotr is of (0.60-0.90) from the total area of the foot portion A. In the central portion of the foot portion of foundation there is a recess filled with rigid material with height h, not exceeding the value of the maximum permissible draft Su for this type of construction.
EFFECT: technical result consists in the increase of load-bearing capacity to the action of vertical and horizontal loads, reduction of foundation draft.
10 dwg
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